Gleason Reservoir No. 2
Key Takeaway
Gleason Reservoir No. 2 is classified as low hazard in Wyoming. It was completed in 1909 and is 117 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 20 ft (taller than 21.5% in WY) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 230 acre-ft |
| Normal Storage | 160 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1909 (117 years old) |
| NID ID | WY00014 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
LARS0N VALLRY RANCH, LLC
Private
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Low Hazard 35 ftFrequently Asked Questions
What is the hazard classification of Gleason Reservoir No. 2?
Gleason Reservoir No. 2 is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Gleason Reservoir No. 2?
Gleason Reservoir No. 2 is owned by LARS0N VALLRY RANCH, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Gleason Reservoir No. 2 built?
Gleason Reservoir No. 2 was completed in 1909, making it 117 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Gleason Reservoir No. 2?
Gleason Reservoir No. 2 serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Gleason Reservoir No. 2?
Gleason Reservoir No. 2 has a dam height of 20 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Gleason Reservoir No. 2 last inspected?
Gleason Reservoir No. 2 was last inspected on May 10, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.